* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    user-select: none;
    cursor: pointer;
}

ul,
li {
    list-style: none;
}

.fc {
    color: #222;
    font-weight: 400;
}

.box {
    background-color: #f7f7f7;
    overflow: hidden;
}

.header {
    width: 100%;
    height: 78px;
    background-color: #fff;
    position: fixed;
    top: 0px;
    left: 0px;
    color: #222;
    box-shadow: 0 2px 0 0 rgb(0 0 0 / 2%);
    z-index: 20;
    transition: background 0.2s ease-in-out;
}

.header .container {
    display: flex;
    height: 100%;
    align-items: center;
}

.header .logo {
    width: 180px;
    height: 30px;
    margin-right: 5px;
    background-image: url("https://muse.huaban.com/assets/c257ccb2a5a50804cc67d3cc09c3f337.svg");
}

.header .nav {
    display: flex;
    height: 100%;
}

.header .nav .item {
    margin-left: 35px;
    display: flex;
    align-items: center;
    position: relative;
    cursor: pointer;
}

.header .nav .arrow {
    display: block;
    border: 5px solid transparent;
    border-top-color: #000;
    margin: 0 0 0 1em;
}

.header .nav .item:hover .submenu {
    display: block;
}

.header .nav .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: -35px;
    width: 360px;
    box-shadow: 0 0 0 1px rgb(0 0 0 / 3%), 0 1px 3px 0 rgb(0 0 0 / 7%),
        0 4px 16px 0 rgb(0 0 0 / 7%);
}

.header .nav .submenu div {
    left: 0;
    min-width: calc(100% - 1px);
    border-radius: 0;
    background: #fff;
    margin: 0;
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 8%);
    position: relative;
    display: flex;
    flex-wrap: wrap;
    padding: 20px;
}

.header .nav .submenu a {
    margin-left: 0;
    margin-right: 0;
    width: calc(50% - 2 * 0.5rem);
    padding: 12px 0 !important;
    height: 40px;
    color: #000;
    font-weight: 400;
}

.header .nav a:hover {
    color: tomato;
}

.header .nav .submenu::before {
    content: "";
    position: absolute;
    top: 0;
    left: 34%;
    width: 12px;
    height: 12px;
    background-color: #fff;
    -webkit-transform: translate(-50%, -50%) rotate(45deg);
    transform: translate(-50%, -50%) rotate(45deg);
    border-top: 1px solid rgba(0, 0, 0, 0.07);
    border-left: 1px solid rgba(0, 0, 0, 0.07);
}

.header .login_register {
    margin-left: auto !important;
    display: flex;
}

.header .login_register .userPhoto {
    display: none;
    margin-right: 10px;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: url(../images/default.png) no-repeat center center;
    background-size: cover;
}

.header .login_register button {
    margin-right: 10px;
    font-size: 16px;
    padding: 6px 20px;
    border: 1px solid transparent;
    width: 75px;
    height: 34px;
    line-height: 20px;
    font-weight: 400;
    cursor: pointer;
}

.header .login_register .out{
    display: none;
    cursor: pointer;
}

.header .login_register .login:hover {
    color: #fff;
    background-color: #ccc;
}

.header .login_register .register {
    background: #c0a75e;
    color: #fff;
}

@media only screen and (min-width: 1180px) {
    .container {
        width: 1180px;
        margin-left: auto !important;
        margin-right: auto !important;
    }
}

@media only screen and (min-width: 768px) and (max-width: 1179px) {
    .container {
        width: 740px;
        margin-left: auto !important;
        margin-right: auto !important;
    }
}

@media only screen and (max-width: 767px) {
    .container {
        margin-left: 1em !important;
        margin-right: 1em !important;
    }
}

.content {
    margin-top: 100px;
    font-size: 14px;
}

.content .nav1,
.content .nav1_sub {
    margin: 0;
    border: unset;
    border-radius: 0;
    box-shadow: 0 0 2px 0 rgb(0 0 0 / 4%), 0 1px 6px 0 rgb(0 0 0 / 3%);
    background-color: #fff;
    padding: 30px 30px calc(30px - 1rem);
}

.content .nav_content {
    display: flex;
    height: 100%;
}

.content .nav_content .label {
    min-width: 56px;
    padding-right: 0;
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 10px;
}

.content .nav1_sub {
    border-top: 1px solid #ccc;
}

.content .nav_content .nav_list {
    margin-left: 4px;
    padding-left: 0;
    padding-top: 10px;
    padding-bottom: 10px;
    font-size: 1em;
}

.content .nav_content .nav_list a:hover {
    color: tomato;
}

.content .nav_content .nav_list .item {
    color: #555;
    margin-right: 2rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.content .nav_content .nav_list .active {
    color: tomato;
}

.content .list {
    padding-top: 20px;
    padding-bottom: 20px;
    margin-top: 20px;
    border-top: 2px solid #f0f0f0;
}

.content .list .list_content {
    display: flex;
    flex-wrap: wrap;
}

.content .list_content img {
    align-self: center;
}

.content .list .item {
    width: calc(25% - 20px);
    margin-left: 10px;
    margin-right: 10px;
    background-color: #fff;
    overflow: hidden;
    margin: 0.85em 0.5em;
    box-shadow: 0 0 2px 0 rgb(0 0 0 / 4%), 0 1px 6px 0 rgb(0 0 0 / 3%);

    cursor: pointer;
    transition: 0.3s;
}

.content .list .item:hover {
    transform: translateY(-2px);
    box-shadow: 2px 2px 2px 2px #f0f0f0;
}

.content .list .item img {
    width: 280px;
    height: 280px;
    display: block;
}

.content .list .item .title {
    border-top: 1px solid rgba(34, 36, 38, 0.1);
    background: 0 0;
    margin: 0;
    font-weight: 700;
    padding: 1em;
    color: #222;
    display: block;
    text-align: center;
}

.content .list .item .extra {
    position: relative;
    padding-top: 10px;
    padding-bottom: 40px;
    text-align: center;
}

.content .list .item .extra::before {
    content: "";
    position: absolute;
    width: 60px;
    height: 1px;
    background-color: #ddd;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.content .list .item .extra label {
    color: #222;
    font-size: 18px;
}

.content .list .item .extra p {
    font-size: 80%;
    margin-top: 10px;
    color: rgb(204, 202, 202);
}

.content .list .pagenation {
    height: 50px;
    background: #fff;
    margin-top: 20px;
}

.content .pagenation .list {
    margin-top: 0px;
    border-top: none;
    cursor: pointer;
}